Home / 27,131.66-37,443.76-15,648.42

Finding the Fourth Proportional to 27,131.66, 37,443.76 and 15,648.42

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Solution

The fourth proportional to 27,131.66, 37,443.76 and 15,648.42 is: 21,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.66 : 37,443.76 = 15,648.42 : x
  2. Step 2: Convert to fraction form
    27,131.66/37,443.76 = 15,648.42/x
  3. Step 3: Cross multiply
    27,131.66x = 37,443.76 × 15,648.42
  4. Step 4: Simplify right side
    27,131.66x = 585,935,682.86
  5. Step 5: Solve for x
    x = 585,935,682.86/27,131.66
  6. Step 6: Final answer
    x = 21,596.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.